Minor fixes, re-activating portaudio backend

CMakeLists.txt

@@ -227,7 +227,7 @@ if( ITA_VACORE_WITH_AUDIO_BACKEND_ASIO )
 	add_definitions( -DVACORE_WITH_AUDIO_BACKEND_ASIO )
 endif( )
 if( ITA_VACORE_WITH_AUDIO_BACKEND_PORTAUDIO )
-	#add_definitions( -DVACORE_WITH_AUDIO_BACKEND_PORTAUDIO )
+	add_definitions( -DVACORE_WITH_AUDIO_BACKEND_PORTAUDIO )
 endif( )
 if( ITA_VACORE_WITH_AUDIO_BACKEND_DUMMY )
 	add_definitions( -DVACORE_WITH_AUDIO_BACKEND_DUMMY )

src/VACoreImpl.cpp

@@ -3982,7 +3982,7 @@ void CVACoreImpl::InitializeAudioDriver()
 #endif
 
 	if( m_pAudioDriverBackend == nullptr )
-		VA_ERROR( "Core", "Unkown audio driver backend '" << m_oCoreConfig.oAudioDriverConfig.sDriver << "'" );
+		VA_ERROR( "Core", "Unkown or unsupported audio driver backend '" << m_oCoreConfig.oAudioDriverConfig.sDriver << "'" );
 
 	try
 	{